Science

The Earth is therefore a slightly flattened ball - this shape is called a geoid.

It was the brightest supernova recorded since 1604.

Nitrogen makes up about 78.1 percent of the atmosphere, oxygen 20.9 percent, and Argon 0.93 percent. ...

Three men from Yemen sued NASA in 1997 claiming that the agency trespassed on their property. They based their claim on the fact that Mars was given to them by their ancestors over 3,000 years ago.

Out of 11, four were test flights, six ended up delivering men to the Moon, and one had failed to accomplish its goal.

Common forms are aa, pahoehoe and pillow lava.

Purity levels above 99.999 percent can also be found.

It is formed in the Earth's upper mantle, a layer of the crust that extends to a depth of about 400 ...

The number of stars was originally estimated at around 100 million, but recent measurements suggest that this number may be up to four times greater.